MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code within documents. It also features numerous external links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a phishing or malware distribution scheme. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://tahyuh.com/uploads/files/202109131321217813.pdf In PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1615846babbf6d---danixuv.pdfIn PDF document text
- http://fotofolliasanlazzaro.it/userfiles/files/vokirudijogul.pdfIn PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138cc22ac8a8---xedugerodirose.pdfIn PDF document text
- http://docando.es/js/ckfinder/userfiles/files/kilifugakavemilo.pdfIn PDF document text
- http://boletos.luzservicos.com/ckfinder/userfiles/files/9196454484.pdfIn PDF document text
- http://ceramvetro.net/userfiles/file/sosalajudotobud.pdfIn PDF document text
- http://lachina.cn/upload/file/lodejaludaliwawopesaga.pdfIn PDF document text
- http://stilistspb.online/public/files/uploads/files/86544348684.pdfIn PDF document text
- http://banhangcongnghe.com/upload/FCK/file/62470536888.pdfIn PDF document text
- https://zoomkish.com/basefile/zoomkishcom/files/funisiduvure.pdfIn PDF document text
- http://superfishinglewood.com/uploads/files/fenoxesuvidivolitemokupav.pdfIn PDF document text
- https://xebecdesign.com/xebec/userfiles/file/87342533976.pdfIn PDF document text
- http://sriraghavendratemple.com/ckfinder/userfiles/files/sewapukodekopeduseme.pdfIn PDF document text
- https://keralahappyjourney.com/ckfinder/userfiles/files/3175784810.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161400ea8a6ee7---neditozilalazinikazowepa.pdfIn PDF document text
- http://fslawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/woxatikilavojapesadodel.pdfIn PDF document text
- http://bowlingkillers.com/imgdb/files/53816040046.pdfIn PDF document text
- http://gro-felix.si/uploads/sebasati.pdfIn PDF document text
- http://corporatiegids.nl/uploads/files/2671666916.pdfIn PDF document text
- http://inphuduong.vn/upload/files/fekarukinewob.pdfIn PDF document text
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141c94033754---mosudapodamokuxutarini.pdfIn PDF document text
- http://awards.nl/img/cms/file/86608648666.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=day+in+the+life+of+an+ecologistPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ae3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE3F | 15004 bytes |
SHA-256: e07e2b7ef11009fc94e77f532813d4cec13def424f40ac5c60207c400ba9d86d |
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font_01_sfnt_off0000d373.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD373 | 10632 bytes |
SHA-256: 7e42ca394e23645b97260938f286583cb8562bfbfec894143f5592961ccdf463 |
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font_02_sfnt_off0000ebbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBBE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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